picogl.backend.render.graph
===========================

.. py:module:: picogl.backend.render.graph

.. autoapi-nested-parse::

   Render graph and dependency resolution.



Classes
-------

.. autoapisummary::

   picogl.backend.render.graph.RenderGraph
   picogl.backend.render.graph.DependencyGraph


Functions
---------

.. autoapisummary::

   picogl.backend.render.graph.topo_sort


Module Contents
---------------

.. py:class:: RenderGraph

   Collection of render passes.


   .. py:attribute:: passes
      :type:  list[picogl.backend.render.pass_.RenderPass]
      :value: []



   .. py:method:: add(render_pass: picogl.backend.render.pass_.RenderPass) -> None


.. py:class:: DependencyGraph

   Build pass ordering edges from resource read/write dependencies.


   .. py:attribute:: edges
      :type:  dict[str, set[str]]


   .. py:method:: build(passes: list[picogl.backend.render.pass_.RenderPass]) -> None


.. py:function:: topo_sort(nodes: list[str], edges: dict[str, set[str]]) -> list[str]

   Topologically sort pass names; raise ValueError on cycles.